//求4*3矩阵中所有元素的最大值
#include<stdio.h>
int main(){

    int max_value(int array[][4]);
    int a[3][4]={{1,3,5,7},{2,4,6,8},{15,17,34,12}};
    printf("Max value is %d",max_value(a));
    return 0;
}

int max_value(int array[][4]){
    int i,j,max;
    max=array[0][0];
    for (i = 0; i < 3; i++) {
        for (j = 0; j < 4; j++) {
            if(array[i][j]>max){
                max=array[i][j];
            }

        }
    }
    return(max);
}
